Home / 2,740.67-4,110.30-1,555.59

Finding the Fourth Proportional to 2,740.67, 4,110.30 and 1,555.59

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Solution

The fourth proportional to 2,740.67, 4,110.30 and 1,555.59 is: 2,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.67 : 4,110.30 = 1,555.59 : x
  2. Step 2: Convert to fraction form
    2,740.67/4,110.30 = 1,555.59/x
  3. Step 3: Cross multiply
    2,740.67x = 4,110.30 × 1,555.59
  4. Step 4: Simplify right side
    2,740.67x = 6,393,941.58
  5. Step 5: Solve for x
    x = 6,393,941.58/2,740.67
  6. Step 6: Final answer
    x = 2,332.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.